GACP Cannabis Cultivation Australia: WHO, TGO 93 and PIC/S Annex 7

If an Office of Drug Control inspector arrived tomorrow without notice, could you trace every kilogram of dried cannabis back to the seed, the propagation lot, the nutrient batch, and the staff member who pruned it?

Australian cannabis cultivation licensees sit inside a three-layer compliance stack: the World Health Organization guidelines on Good Agricultural and Collection Practices for medicinal plants (WHO GACP), Therapeutic Goods Order No. 93 (TGO 93), and PIC/S Guide to GMP Annex 7 covering the manufacture of herbal medicinal products. Together these documents define what a cultivator must record, who must be trained to record it, and how an Office of Drug Control inspector verifies it during an unannounced site visit. This article walks through what GACP actually requires for Australian cannabis cultivators, where the cultivation exemption ends and full GMP begins, the records the ODC and TGA expect to see, the personnel competency evidence that holds up under audit, and the practical operating posture that lets a cultivation licensee stay audit-ready every day of the year.

What Is GACP and Why Does Australian Cannabis Cultivation Require It?

GACP stands for Good Agricultural and Collection Practices. The framework originated with the WHO guidelines on good agricultural and collection practices (GACP) for medicinal plants, published in 2003 (ISBN 92 4 154627 1). The WHO document was written for the global medicinal-plant trade generally, not for cannabis specifically, and it is a guideline rather than a binding standard. It becomes binding inside a national regulatory regime only when that regime adopts it by reference.

Australia adopts WHO GACP indirectly through TGO 93 and through the manufacturing principles determination that incorporates the PIC/S Guide to GMP. TGO 93 sets the cannabis quality requirements that any product released for therapeutic use must meet, and those requirements flow upstream into cultivation: a cultivator who cannot produce material that ultimately complies with TGO 93 limits has a saleability problem. PIC/S Annex 7 (Manufacture of Herbal Medicinal Products) then formalises the cultivation-to-extraction handover by spelling out what records, identifications, and traceability evidence a GMP-licensed manufacturer must receive from its cultivation supplier.

Cannabis is treated as a herbal starting material in this framework. The substance becomes a therapeutic good only after it enters the GMP-licensed facility downstream. Cultivation activities therefore operate under GACP, not full GMP, but the standard the cultivation site must reach is calibrated by what the downstream manufacturer needs to declare on the certificate of analysis for the finished product. There is no functional difference between “good enough for the grower” and “good enough for the QAP at the manufacturer”. The cultivator has to clear the manufacturer’s acceptance criteria, period.

A short note on cross-jurisdiction parity. WHO GACP is a guideline. Australia adopts it via TGO 93 and the manufacturing principles. The European Union adopts WHO GACP via the European Pharmacopoeia and the EMA herbal medicinal products framework. Health Canada operates a separate regime under the Cannabis Regulations (SOR/2018-144) with its own Good Production Practices, which are distinct from GACP. Three regimes, three sets of binding obligations, one shared technical baseline. Do not assume an Australian cultivation SOP automatically clears EU or Canadian requirements because all three reference GACP. Confirm against the binding national framework before any cross-border supply discussion.

Which Cultivation Activities Are Covered by GACP vs PIC/S GMP?

This is the boundary that confuses new licensees and that ODC inspectors check most carefully. Growing, cutting, and drying cannabis may be performed under GACP without a full TGA Licence to Manufacture Therapeutic Goods, provided the material is used as a starting material for a GMP-licensed facility downstream. First crude extraction may also qualify for the cultivation exemption in some cases. Everything past first extraction (formulation, encapsulation, packaging, labelling, finishing) sits inside the GMP boundary and must be performed by a TGA-licensed manufacturer. The full TGA manufacturing requirements are covered in our companion guide to PIC/S GMP v17 for cannabis manufacturing in Australia.

Practically, this means a cultivation-only licensee operates against three documents at once. WHO GACP governs the agricultural activity itself: seed selection, propagation, growing conditions, harvest, drying, and post-harvest handling. TGO 93 sets the quality limits that finished product must hit, which means the cultivator builds testing and quality controls upstream to ensure the harvested material can ultimately pass; the specific cannabinoid accuracy, aflatoxin, foreign matter, heavy metal, ochratoxin A, pesticide residue, and total ash thresholds are listed in our TGO 93 cannabis testing limits for Australia guide. PIC/S Annex 7 governs the cultivation-to-manufacturer handover documentation. The first two define what you do; the third defines what records you give the next person in the chain.

A cultivator who also operates an in-house manufacturing step past first extraction holds both an ODC cultivation licence and a TGA manufacturing licence and runs both the GACP and the GMP frameworks in parallel. A cultivator who supplies extraction services through a third-party GMP facility runs GACP only but must satisfy the downstream manufacturer’s incoming-material qualification programme, which in practice means producing the same documentation a GMP audit would demand.

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What Records Must GACP Cultivators Keep?

The GACP record set is broad and granular. An Australian cannabis cultivation licensee operating under the WHO GACP framework, TGO 93, and PIC/S Annex 7 should maintain documented evidence across the following areas.

Seed and propagation material quality. Source of seed or clonal material, supplier qualification records, strain identification, viability or rooting success data, and the chain-of-custody record from supplier intake through to planting. PIC/S Annex 7 expects each starting batch of plant material to be traceable to a specific source.

Growing conditions. Daily environmental records for each cultivation room or zone: temperature, relative humidity, photoperiod, CO2 levels where dosed, and irrigation parameters. The records must be timestamped and retained for the full retention period required by the ODC licence conditions.

Agricultural inputs. Every fertiliser, every nutrient solution, every pest management product, and every soil amendment must be traceable to the specific harvest batch it contacted. Supplier name, product identification, lot number, application date, application rate, applicator (the staff member who performed the work), and the cultivation zone treated. This is the record set the TGA reviews most carefully when chasing a TGO 93 pesticide residue or heavy metal exceedance back to root cause.

Harvest timing and post-harvest handling. Harvest date for each batch, in-process weights at each handling step (wet harvest, trimmed wet, dried, cured), drying room environmental data for the full drying period, and any deviations from the documented drying SOP. Loss reconciliation between wet and dried weights should be calculated and recorded for every batch.

Environmental controls. Pest monitoring logs, contamination control measures, cleaning and sanitisation records for cultivation and drying rooms, and water quality test results for any irrigation source that is not a verified potable supply.

Batch identification. Each harvest batch must have a unique identifier that links forward to the manufacturer’s incoming material record and backward to the propagation lot, the room, the harvest crew, and every input applied during the grow cycle. This is the spine of seed-to-sale traceability and the single most important record set for ODC inspections.

A digital seed-to-sale tracking system that captures these records at the point of operation, rather than reconstructing them from paper logs at month end, materially reduces the audit risk and the time staff spend on documentation. Whatever system you choose, the test is whether you can produce a complete batch genealogy from a single batch identifier within minutes during an inspection.

How Do GACP Personnel Training Requirements Work for Australian LPs?

The GACP framework treats trained personnel as a controlled input on the same footing as a calibrated instrument or a qualified supplier. PIC/S Annex 7 and WHO GACP both require that all staff performing cultivation, harvest, drying, and post-harvest handling activities have documented competency for the specific tasks they perform.

The minimum personnel records expected by an ODC inspector are: a current organisation chart showing who reports to whom and who holds quality-critical roles, a position description for every cultivation role describing the duties and the required competencies, an initial training record for each staff member covering the SOPs they will operate, a competency assessment confirming the staff member can perform the task to standard (not just that they sat through the training), and ongoing refresher training records on a documented cycle.

For roles that handle controlled substances directly, additional security clearance and background verification records are required by the ODC. Training records on hygiene, gowning, and contamination control are required for any staff entering propagation or drying areas. Training records on safe handling of pesticides and fertilisers are required for any staff applying inputs.

The competency assessment is the part new licensees most often under-document. A signed attendance sheet at a training session is not a competency assessment. The competency assessment is the supervisor’s signed confirmation, with date, that the staff member has demonstrated they can perform the task correctly. ODC and TGA auditors look for this signature specifically.

How Does GACP Cultivation Audit Readiness Look in Practice?

Under the Narcotic Drugs Act 1967, which activates the Regulatory Powers (Standard Provisions) Act 2014 framework, ODC authorised inspectors can enter licensed premises without consent and without notice. The ODC’s published practice is at least one unannounced inspection per licensee per 12-month period. The underlying licensing regime is covered in our guide to the ODC cannabis licence under the Narcotic Drugs Act 1967.

Audit-ready in this context means three things. First, the record set described above is current as of today, not as of last month’s reconciliation. Second, the record set is retrievable: a specific batch genealogy, a specific staff training file, a specific input lot trace, all available on demand within the inspection window. Third, the staff on shift today can describe their own SOPs and produce the records relevant to their role without calling a manager away from another task.

The single highest-yield operational habit is to run a weekly internal self-inspection against a documented checklist. Walk the cultivation zones with the same questions an ODC inspector would ask. Pull a random batch identifier and reconstruct its full genealogy on the spot. Pull a random staff member and check their training file is complete. Pull a random input application and trace it from supplier intake to the room and batch where it was applied. Where the trail breaks, fix the underlying record problem before the next external visit. Operating against this rhythm is materially cheaper than rebuilding records after an inspector has already found the gap.

Frequently Asked Questions

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